‘Undercover: The True Story of Britain’s Secret Police’ by Rob Evans and Paul Lewis (Faber and Faber, 2013)

The gripping stories of a group of police spies – written by the award-winning investigative journalists who exposed the Mark Kennedy scandal – and the uncovering of forty years of state espionage.

This was an undercover operation so secret that some of our most senior police officers had no idea it existed. The job of the clandestine unit was to monitor British ‘subversives’ – environmental activists, anti-racist groups, animal rights campaigners. Police stole the identities of dead people to create fake passports, driving licences and bank accounts. They then went deep undercover for years…